*
     * <p>This gets overridden in ImmutableSetMultimap.Builder to only trust the size of {@code
     * values} if it is a Set and therefore probably already deduplicated.
     */
    int expectedValueCollectionSize(int defaultExpectedValues, Iterable<?> values) {
      if (values instanceof Collection<?>) {
        Collection<?> collection = (Collection<?>) values;
        return max(defaultExpectedValues, collection.size());

          ? ImmutableSet.builderWithExpectedSize(expectedSize)
          : new ImmutableSortedSet.Builder<V>(valueComparator, expectedSize);
    }

    @Override
    int expectedValueCollectionSize(int defaultExpectedValues, Iterable<?> values) {
      // Only trust the size of `values` if it is a Set and therefore probably already deduplicated.
      if (values instanceof Set<?>) {

          ? ImmutableSet.builderWithExpectedSize(expectedSize)
          : new ImmutableSortedSet.Builder<V>(valueComparator, expectedSize);
    }

    @Override
    int expectedValueCollectionSize(int defaultExpectedValues, Iterable<?> values) {
      // Only trust the size of `values` if it is a Set and therefore probably already deduplicated.
      if (values instanceof Set<?>) {